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2026-09-06 - 18:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Sep 06, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20138212666,7sleep00-21swapper/019:09:270
148042126117,6sleep30-21swapper/319:05:103
199812122113,6sleep20-21swapper/219:07:252
199852120109,7sleep10-21swapper/119:07:271
53602940,0sleep10-21swapper/100:15:151
320402770,1sleep30-21swapper/321:38:473
200542610,1sleep10-21swapper/122:15:191
160372600,0sleep20-21swapper/222:40:232
305372580,1sleep010-21rcuc/000:25:190
272142580,0sleep30-21swapper/321:50:213
281032570,1sleep338-21rcuc/321:22:403
112402560,1sleep311242-21kthreadcore19:55:183
8702540,0sleep20-21swapper/221:39:472
152912430,3sleep22035599cyclictest23:22:572
2035099320,4cyclictest0-21swapper/121:53:051
2035099290,17cyclictest0-21swapper/122:37:541
2035599286,4cyclictest0-21swapper/221:54:162
2035599286,19cyclictest0-21swapper/222:25:372
2035599281,26cyclictest0-21swapper/220:39:002
2035599281,26cyclictest0-21swapper/200:02:302
2035599276,16cyclictest6194-21kworker/2:000:31:372
2035599275,17cyclictest0-21swapper/200:10:272
2035599271,19cyclictest0-21swapper/221:40:172
2035599271,15cyclictest6194-21kworker/2:023:56:082
20355992710,15cyclictest8899-21kworker/2:222:20:412
20355992710,15cyclictest0-21swapper/200:20:332
2035599270,26cyclictest0-21swapper/222:09:072
2035599270,26cyclictest0-21swapper/220:03:382
20350992723,3cyclictest0-21swapper/122:40:271
20350992710,15cyclictest0-21swapper/123:00:131
2035099270,4cyclictest0-21swapper/121:37:481
2035099270,4cyclictest0-21swapper/100:07:361
2035099270,26cyclictest0-21swapper/122:32:581
2035099270,16cyclictest0-21swapper/121:46:151
2035099270,13cyclictest0-21swapper/122:20:131
2035599269,15cyclictest6194-21kworker/2:000:27:312
2035599261,9cyclictest15823-21ssh22:00:132
20355992612,12cyclictest2865-21runrttasks23:36:552
20355992612,12cyclictest2865-21runrttasks23:36:552
2035599260,7cyclictest0-21swapper/223:40:422
2035599260,26cyclictest0-21swapper/220:18:112
2035599260,25cyclictest0-21swapper/221:23:302
2035599260,25cyclictest0-21swapper/221:00:482
2035599260,25cyclictest0-21swapper/220:29:092
2035599260,24cyclictest0-21swapper/200:17:242
2035099260,6cyclictest0-21swapper/121:24:541
2035099260,5cyclictest0-21swapper/123:56:141
2035099260,5cyclictest0-21swapper/122:14:501
2035099260,4cyclictest0-21swapper/121:59:561
2035099260,3cyclictest0-21swapper/123:05:331
2035099260,2cyclictest0-21swapper/123:29:361
2035099260,25cyclictest0-21swapper/122:09:241
2035099260,13cyclictest0-21swapper/123:32:331
2035099260,10cyclictest0-21swapper/100:30:211
2034699262,17cyclictest25883-21kthreadcore21:35:190
2035599258,15cyclictest8899-21kworker/2:223:25:162
20355992518,6cyclictest755-21snmpd23:32:272
20355992518,6cyclictest755-21snmpd23:05:322
2035599251,18cyclictest0-21swapper/223:10:152
20355992510,4cyclictest0-21swapper/221:16:212
20355992510,14cyclictest0-21swapper/223:46:262
20355992510,14cyclictest0-21swapper/200:05:002
2035599250,25cyclictest0-21swapper/222:53:412
2035599250,24cyclictest0-21swapper/221:29:192
2035599250,23cyclictest0-21swapper/222:37:292
2035599250,12cyclictest0-21swapper/223:17:102
2035099252,3cyclictest0-21swapper/100:23:071
20350992512,11cyclictest0-21swapper/121:34:341
20350992510,5cyclictest23159-21diskstats22:45:151
2035099250,3cyclictest0-21swapper/123:44:581
2035099250,24cyclictest0-21swapper/122:55:041
2035099250,24cyclictest0-21swapper/100:10:001
2035099250,19cyclictest0-21swapper/122:29:091
2035099250,11cyclictest0-21swapper/123:14:281
2034699250,24cyclictest0-21swapper/023:25:190
2034699250,24cyclictest0-21swapper/021:29:550
2035599248,15cyclictest0-21swapper/223:02:442
2035599248,13cyclictest8899-21kworker/2:222:45:522
2035599243,15cyclictest0-21swapper/221:57:002
20355992422,2cyclictest0-21swapper/219:31:222
20355992417,6cyclictest755-21snmpd19:12:152
2035599241,10cyclictest0-21swapper/222:20:002
2035599241,10cyclictest0-21swapper/221:11:352
20355992410,5cyclictest0-21swapper/222:11:392
2035599240,9cyclictest283-21systemd-journal20:34:532
2035599240,22cyclictest0-21swapper/222:30:152
2035599240,19cyclictest0-21swapper/222:56:442
2035599240,18cyclictest0-21swapper/223:50:152
2035099242,3cyclictest0-21swapper/100:25:041
2035099241,1cyclictest0-21swapper/100:35:471
2035099241,19cyclictest7483-21perl23:20:151
2035099240,6cyclictest0-21swapper/123:53:381
2035099240,4cyclictest0-21swapper/123:15:051
2035099240,4cyclictest0-21swapper/122:53:441
2035099240,4cyclictest0-21swapper/100:04:291
2035099240,3cyclictest0-21swapper/123:49:011
2035099240,3cyclictest0-21swapper/122:01:301
2035099240,2cyclictest0-21swapper/121:19:131
2035099240,23cyclictest0-21swapper/121:43:571
2035099240,1cyclictest15966-21kworker/1:223:35:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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